Fix #3846
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index e056654..6374aac 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -1055,8 +1055,11 @@
if ($this->rotation_angle === 'hor')
{
- for ($i = 0; $i < $height; $i++, $left = 0, $right = $width-1)
+ for ($i = 0; $i < $height; $i++)
{
+ $left = 0;
+ $right = $width - 1;
+
while ($left < $right)
{
$cl = imagecolorat($src_img, $left, $i);
@@ -1072,18 +1075,21 @@
}
else
{
- for ($i = 0; $i < $width; $i++, $top = 0, $bot = $height-1)
+ for ($i = 0; $i < $width; $i++)
{
- while ($top < $bot)
+ $top = 0;
+ $bottom = $height - 1;
+
+ while ($top < $botttom)
{
$ct = imagecolorat($src_img, $i, $top);
- $cb = imagecolorat($src_img, $i, $bot);
+ $cb = imagecolorat($src_img, $i, $bottom);
imagesetpixel($src_img, $i, $top, $cb);
- imagesetpixel($src_img, $i, $bot, $ct);
+ imagesetpixel($src_img, $i, $bottom, $ct);
$top++;
- $bot--;
+ $bottom--;
}
}
}
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 2d10f8f..185a17a 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -27,6 +27,7 @@
- Fixed a bug (#3801) - :doc:`Output Library <libraries/output>` method ``_display_cache()`` incorrectly looked for the last modified time of a directory instead of the cache file.
- Fixed a bug (#3816) - :doc:`Form Validation Library <libraries/form_validation>` treated empty string values as non-existing ones.
- Fixed a bug (#3823) - :doc:`Session Library <libraries/sessions>` drivers Redis and Memcached didn't properly handle locks that are blocking the request for more than 30 seconds.
+- Fixed a bug (#3846) - :doc:`Image Manipulation Library <libraries/image_lib>` method `image_mirror_gd()` didn't properly initialize its variables.
Version 3.0.0
=============